National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mid Valley Airport (KTXW)

Lat: 26.18°NLon: 97.97°WElev: 70ft.

Overcast

59°F

15°C

Humidity 80%
Wind Speed N 12 mph
Barometer 30.11 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 4 Dec 6:15 pm CST
Extended Forecast for

Mercedes TX

  • Tonight

    Tonight: A slight chance of rain between 11pm and midnight. Mostly cloudy, with a low around 50. North wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 62. North wind 6 to 10 mph.

    High: 62 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of rain before midnight, then a slight chance of showers after midnight. Mostly cloudy, with a low around 58. North wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 74. North northwest wind around 6 mph becoming northeast in the afternoon.

    High: 74 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60. East northeast wind around 6 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83. Calm wind becoming north northwest 5 to 8 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. North wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68. North wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49. East northeast wind around 6 mph becoming calm.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain between 11pm and midnight. Mostly cloudy, with a low around 50. North wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Friday
Mostly cloudy, with a high near 62. North wind 6 to 10 mph.
Friday Night
A chance of rain before midnight, then a slight chance of showers after midnight. Mostly cloudy, with a low around 58. North wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 74. North northwest wind around 6 mph becoming northeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 60. East northeast wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 83. Calm wind becoming north northwest 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 50. North wind 8 to 13 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 68. North wind 7 to 11 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 49. East northeast wind around 6 mph becoming calm.
Tuesday
Mostly sunny, with a high near 74. North wind 5 to 7 mph becoming east southeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 53. East southeast wind around 6 mph becoming light and variable.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mercedes TX
 26.16°N 97.93°W
Last Update:
6:18 pm CST Dec 4, 2025
Forecast Valid:
6pm CST Dec 4, 2025-6pm CST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation